I 2 C Bus Control - NEC NMV 1700V Service Manual

8 . 4 C ont rol of d efi ni t i o n co nv er t er LS I I31 5
8.4.1 Ports related to control
Pin No.
R3
P1
P3, P4,
R1, R2
P2
9. 3. 1 R el at ed port s o f I3 1 5 and pi n o f I3 02
8. 4. 2 F un ct i o n s
M aj or f un ct i on o f I 3 15 are as f o l l o ws :
(1) Ex pans i on o f t he di s pl ay s creen .
(2) Ti m i ng co nt ro l fo r v ari o u s s i g nal t yp es .
P o r t
P 3 . 5
P 3 . 4
(3 ) P o wer -s u pp l y s e qu e n ce (LC D p an el ).
2
8 . 5 I C bus c o nt ro l
8. 5. 1 R el at ed port s o f I3 02
2
8. 5. 2 I C - cont rol l ed fun ct i o ns
Circuit Description
I/O Signal name
I IRQ gmZan1 interrupt signal
O HCLK gmZan1 serial clock
I/O HDATA gmZan1 serial data
O HFS gmZan1 serial select
P i n N o . I/O S i g n a l n a m e
1 7 I I I C C L K
1 6 I/O I I C D A T A
Function
F u n c t i o n
I I C b u s c l o c k
I I C b u s d a t a
NMV 1700V
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